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[ARM] use asm/sections.h

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Update to use the asm/sections.h header rather than declaring these
symbols ourselves.  Change __data_start to _data to conform with the
naming found within asm/sections.h.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2008-12-01 11:53:07 +00:00
committed by Russell King
parent 112243034c
commit 37efe6427d
8 changed files with 28 additions and 27 deletions
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9
arch/arm/mm/mmu.c
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@@ -17,6 +17,7 @@
#include <asm/cputype.h>
#include <asm/mach-types.h>
#include <asm/sections.h>
#include <asm/setup.h>
#include <asm/sizes.h>
#include <asm/tlb.h>
@@ -730,7 +731,7 @@ static inline void prepare_page_table(void)
#ifdef CONFIG_XIP_KERNEL
/* The XIP kernel is mapped in the module area -- skip over it */
addr = ((unsigned long)&_etext + PGDIR_SIZE - 1) & PGDIR_MASK;
addr = ((unsigned long)_etext + PGDIR_SIZE - 1) & PGDIR_MASK;
#endif
for ( ; addr < PAGE_OFFSET; addr += PGDIR_SIZE)
pmd_clear(pmd_off_k(addr));
@@ -756,10 +757,10 @@ void __init reserve_node_zero(pg_data_t *pgdat)
* Note that this can only be in node 0.
*/
#ifdef CONFIG_XIP_KERNEL
reserve_bootmem_node(pgdat, __pa(&__data_start), &_end - &__data_start,
reserve_bootmem_node(pgdat, __pa(_data), _end - _data,
BOOTMEM_DEFAULT);
#else
reserve_bootmem_node(pgdat, __pa(&_stext), &_end - &_stext,
reserve_bootmem_node(pgdat, __pa(_stext), _end - _stext,
BOOTMEM_DEFAULT);
#endif
@@ -838,7 +839,7 @@ static void __init devicemaps_init(struct machine_desc *mdesc)
#ifdef CONFIG_XIP_KERNEL
map.pfn = __phys_to_pfn(CONFIG_XIP_PHYS_ADDR & SECTION_MASK);
map.virtual = MODULES_VADDR;
map.length = ((unsigned long)&_etext - map.virtual + ~SECTION_MASK) & SECTION_MASK;
map.length = ((unsigned long)_etext - map.virtual + ~SECTION_MASK) & SECTION_MASK;
map.type = MT_ROM;
create_mapping(&map);
#endif